What was found
IAD/BDL - FLT 6517 - RETURNED TO IAD DUE TO THE RT ENGINE FUEL PRESSURE DROPPING TO ZERO, WITH THE STANDBY PUMP HOLDING 18 PSI. AIRCRAFT RETURNED TO IAD WITH NO FURTHER INCIDENTS. MAINTENANCE INVESTIGATED AND FOUND THE RT NEGATIVE G-TANK WAS CRACKED. MAINTENANCE IS CURRENTLY AWAITING A REPAIR SCHEME FROM THE MANUFACTURER. MAINTENANCE REMOVED, REPAIRED, AND REINSTALLED THE RT NEGATIVE G-TANK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)